b97db52de7
Add 'U' to a value when assigning it to an unsigned variable. MISRA-C rule 7.2 Signed-off-by: Patrik Flykt <patrik.flykt@intel.com>
108 lines
1.9 KiB
C
108 lines
1.9 KiB
C
/*
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* Copyright (c) 2018 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <kernel.h>
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#include <flash.h>
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#include "platform-zephyr.h"
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static struct device *flash_dev;
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static size_t ot_flash_size;
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static size_t ot_flash_offset;
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static inline u32_t mapAddress(u32_t aAddress)
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{
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return aAddress + ot_flash_offset;
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}
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otError utilsFlashInit(void)
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{
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int i;
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struct flash_pages_info info;
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size_t pages_count;
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flash_dev = device_get_binding(DT_FLASH_DEV_NAME);
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if (!flash_dev) {
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return OT_ERROR_NOT_IMPLEMENTED;
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}
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pages_count = flash_get_page_count(flash_dev);
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if (flash_get_page_info_by_idx(flash_dev,
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pages_count - CONFIG_OT_PLAT_FLASH_PAGES_COUNT - 1, &info)) {
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return OT_ERROR_FAILED;
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}
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ot_flash_offset = info.start_offset;
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ot_flash_size = 0;
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for (i = 0; i < CONFIG_OT_PLAT_FLASH_PAGES_COUNT; i++) {
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if (flash_get_page_info_by_idx(flash_dev,
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pages_count - i - 1, &info)) {
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return OT_ERROR_FAILED;
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}
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ot_flash_size += info.size;
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}
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return OT_ERROR_NONE;
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}
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u32_t utilsFlashGetSize(void)
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{
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return ot_flash_size;
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}
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otError utilsFlashErasePage(u32_t aAddress)
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{
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struct flash_pages_info info;
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u32_t address;
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address = mapAddress(aAddress);
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if (flash_get_page_info_by_offs(flash_dev, address, &info)) {
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return OT_ERROR_FAILED;
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}
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if (flash_erase(flash_dev, address, info.size)) {
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return OT_ERROR_FAILED;
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}
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return OT_ERROR_NONE;
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}
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otError utilsFlashStatusWait(u32_t aTimeout)
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{
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ARG_UNUSED(aTimeout);
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return OT_ERROR_NONE;
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}
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u32_t utilsFlashWrite(u32_t aAddress, uint8_t *aData, u32_t aSize)
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{
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u32_t index = 0U;
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flash_write_protection_set(flash_dev, false);
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if (!flash_write(flash_dev, mapAddress(aAddress), aData, aSize)) {
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index = aSize;
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}
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flash_write_protection_set(flash_dev, true);
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return index;
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}
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u32_t utilsFlashRead(u32_t aAddress, uint8_t *aData, u32_t aSize)
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{
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u32_t index = 0U;
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if (!flash_read(flash_dev, mapAddress(aAddress), aData, aSize)) {
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index = aSize;
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}
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return index;
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}
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